/*************************************************************************
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
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 *  The Initial Developer of the Original Code is: IBM Corporation
 *
 *  Copyright: 2008 by IBM Corporation
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
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 *
 ************************************************************************/
/**
 * @file 
 * For LWP filter architecture prototype
 *  Implemention of class LwpBackgroundStuff.
 */

#include "lwpbackgroundstuff.hxx"
#include "lwppttntbl.hxx"
#include "xfilter/xfbgimage.hxx"

#include "tools/stream.hxx"
#include "vcl/bmpacc.hxx"
#include "svx/xbitmap.hxx"


void LwpBackgroundStuff::Read(LwpObjectStream* pStrm)
{
	pStrm->QuickRead(&m_nID, sizeof(m_nID));
	m_aFillColor.Read(pStrm);
	m_aPatternColor.Read(pStrm);
	pStrm->SkipExtra();
}

void LwpBackgroundStuff::GetPattern(sal_uInt16 btPttnIndex, sal_uInt8* pPttnArray)
{
	if (btPttnIndex > 71)
	{
		assert(false);
		return;
	}
	if (pPttnArray)
	{
		assert((2 < btPttnIndex) && (btPttnIndex < 72));
		sal_uInt8* pTempArray = s_pLwpPatternTab[btPttnIndex];
		for(sal_uInt8 i = 0; i < 32; i++)
		{
			pPttnArray[i] = (i%4 == 0) ? pTempArray[7-i/4] : 0;
		}
	}
}

LwpColor* LwpBackgroundStuff::GetFillColor()
{
	if (m_nID == BACK_PATTERN)
	{
		return &m_aPatternColor;
	}
	
	return &m_aFillColor;
}

XFBGImage* LwpBackgroundStuff::GetFillPattern()
{
	// not pattern fill?
	if (!this->IsPatternFill())
	{
		return NULL;
	}

	// get pattern array from pattern table
	sal_uInt8* pPttnArray = new sal_uInt8 [32];
	this->GetPattern(m_nID, pPttnArray);

	// create bitmap object from the pattern array
	Bitmap aBmp( Size(8, 8), 1 );
	BitmapWriteAccess* pWA = aBmp.AcquireWriteAccess();
	sal_uInt8* pBuf = pWA->GetBuffer();
	memcpy(pBuf, pPttnArray, 32);
	aBmp.ReleaseAccess(pWA);

	if (pPttnArray)
	{
		delete [] pPttnArray;
		pPttnArray = NULL;
	}

	// create XOBitmap object from bitmap object
	XOBitmap aXOBitmap;
	aXOBitmap.SetBitmap( aBmp );
	aXOBitmap.Bitmap2Array();
	aXOBitmap.SetBitmapType( XBITMAP_8X8 );

	// set back/fore-ground colors
	if (m_aFillColor.IsValidColor() && m_aPatternColor.IsValidColor())
	{
		Color aBackColor(static_cast<sal_uInt8>(m_aFillColor.GetRed()),
			static_cast<sal_uInt8>(m_aFillColor.GetGreen()),
			static_cast<sal_uInt8>(m_aFillColor.GetBlue()));
		Color aForeColor(static_cast<sal_uInt8>(m_aPatternColor.GetRed()),
			static_cast<sal_uInt8>(m_aPatternColor.GetGreen()),
			static_cast<sal_uInt8>(m_aPatternColor.GetBlue()));
		
		if( aXOBitmap.GetBackgroundColor() == COL_BLACK )
		{
			aXOBitmap.SetPixelColor( aBackColor );
			aXOBitmap.SetBackgroundColor( aForeColor );
		}
		else
		{
			aXOBitmap.SetPixelColor( aForeColor );
			aXOBitmap.SetBackgroundColor( aBackColor );
		}
	}

	// transfer image data from XOBitmap->SvStream->BYTE-Array
	SvMemoryStream aPicMemStream;
	aXOBitmap.Array2Bitmap();
	aXOBitmap.GetBitmap().Write(aPicMemStream);
	sal_uInt32 nSize = aPicMemStream.GetSize();
	sal_uInt8* pImageBuff = new sal_uInt8 [nSize];
	memcpy(pImageBuff, aPicMemStream.GetData(), nSize);

	// create XFBGImage object.
	XFBGImage* pXFBGImage = new XFBGImage();
	pXFBGImage->SetImageData(pImageBuff, nSize);
	
	if (pImageBuff)
	{
		delete [] pImageBuff;
		pImageBuff = NULL;
	}

	
	pXFBGImage->SetRepeate();
	// end of add
	
	return pXFBGImage;
}

